A Helmholtz resonator is a passive acoustic device that enables noise reduction at a given frequency. This frequency is directly related to the volume of the resonator and to the size of the neck that couples the resonator to the acoustic domain. In other words, controlling the volume of the cavity allows a real time tunability of the device, which means noise control at any desired frequency. To that end, we propose an Origami-based tunable Helmholtz resonator. The design is inspired from the well-known origami base, waterbomb. Such foldable structures offer a wide range of volume shifting which corresponds to a frequency shifting in the application of interest. The foldability of the structure is first investigated. Then, a series of numerical simulations and experimental tests were preformed are presented, in order to explore the capabilities of this origami structures in acoustic control. A shift in the frequency domain of up to 197 Hz (131–328 Hz) was achieved in an experimental testing using 3D printed rigid devices.
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ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems
September 18–20, 2017
Snowbird, Utah, USA
Conference Sponsors:
- Aerospace Division
ISBN:
978-0-7918-5825-7
PROCEEDINGS PAPER
An Origami-Based Tunable Helmholtz Resonator for Noise Control: Introduction of the Concept and Preliminary Results
Amine Benouhiba,
Amine Benouhiba
FEMTO-ST Institute, Besançon, France
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Kanty Rabenorosoa,
Kanty Rabenorosoa
FEMTO-ST Institute, Besançon, France
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Morvan Ouisse,
Morvan Ouisse
FEMTO-ST Institute, Besançon, France
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Nicolas Andreff
Nicolas Andreff
FEMTO-ST Institute, Besançon, France
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Amine Benouhiba
FEMTO-ST Institute, Besançon, France
Kanty Rabenorosoa
FEMTO-ST Institute, Besançon, France
Morvan Ouisse
FEMTO-ST Institute, Besançon, France
Nicolas Andreff
FEMTO-ST Institute, Besançon, France
Paper No:
SMASIS2017-3747, V001T08A002; 8 pages
Published Online:
November 9, 2017
Citation
Benouhiba, A, Rabenorosoa, K, Ouisse, M, & Andreff, N. "An Origami-Based Tunable Helmholtz Resonator for Noise Control: Introduction of the Concept and Preliminary Results." Proceedings of the ASME 2017 Conference on Smart Materials, Adaptive Structures and Intelligent Systems. Volume 1: Development and Characterization of Multifunctional Materials; Mechanics and Behavior of Active Materials; Bioinspired Smart Materials and Systems; Energy Harvesting; Emerging Technologies. Snowbird, Utah, USA. September 18–20, 2017. V001T08A002. ASME. https://doi.org/10.1115/SMASIS2017-3747
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